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drm/msm/mdp5: Don't get source of MDP core clock

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The driver expects DT to provide the parent to MDP core clock. The only
operation done to the parent clock is to set a rate. This can be
achieved by setting the rate on the core clock itsef. Don't try to
get the parent clock anymore.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Archit Taneja 2016-06-09 17:11:08 +05:30 committed by Rob Clark
parent cbe4295a4c
commit 0e0d9dfeea
2 changed files with 2 additions and 6 deletions
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7
drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
View file

@ -627,9 +627,6 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
if (ret)
goto fail;
ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface_clk", true);
if (ret)
goto fail;
ret = get_clk(pdev, &mdp5_kms->src_clk, "core_clk_src", true);
if (ret)
goto fail;
ret = get_clk(pdev, &mdp5_kms->core_clk, "core_clk", true);
@ -646,7 +643,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
* rate first, then figure out hw revision, and then set a
* more optimal rate:
*/
clk_set_rate(mdp5_kms->src_clk, 200000000);
clk_set_rate(mdp5_kms->core_clk, 200000000);
read_hw_revision(mdp5_kms, &major, &minor);
@ -661,7 +658,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
mdp5_kms->caps = config->hw->mdp.caps;
/* TODO: compute core clock rate at runtime */
clk_set_rate(mdp5_kms->src_clk, config->hw->max_clk);
clk_set_rate(mdp5_kms->core_clk, config->hw->max_clk);
/*
* Some chipsets have a Shared Memory Pool (SMP), while others

1
drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
View file

@ -49,7 +49,6 @@ struct mdp5_kms {
struct clk *axi_clk;
struct clk *ahb_clk;
struct clk *src_clk;
struct clk *core_clk;
struct clk *lut_clk;
struct clk *vsync_clk;